.usage-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.usage-layout {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.usage-inputs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem 1rem;
    margin-bottom: 0.85rem;
}

.usage-inputs .form-row {
    flex: 1 1 200px;
    margin-bottom: 0;
}

.usage-inputs .form-row .field-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    color: var(--color-fg-muted);
    margin-bottom: 0.35rem;
}

.usage-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 0.5rem;
}

.usage-buttons {
    display: flex;
    gap: var(--button-gap);
}



.usage-preview {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.usage-preview-header h3 {
    margin-bottom: 0.25rem;
}

.usage-summary {
    font-size: 0.9rem;
}

.usage-summary.usage-error {
    color: var(--color-danger-fg);
}

.usage-bar-shell {
    --surface-radius: var(--radius-lg);
    --surface-padding: 0.75rem;
}

.usage-export {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.usage-bar {
    display: flex;
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 40px;
    background: var(--color-canvas-inset);
}

.usage-bar-horizontal {
    flex-direction: row;
}

.usage-slice {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-width: 0;
}

.usage-slice-label {
    font-size: 0.8rem;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(31, 35, 40, 0.6);
    padding: 0 0.35rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.usage-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.usage-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.usage-color {
    width: 14px;
    height: 14px;
    border-radius: 999px;
    flex-shrink: 0;
}

.usage-label {
    flex: 1;
}

.usage-drag-handle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    font-size: 1rem;
    cursor: grab;
    color: var(--color-fg-muted);
}

.usage-list-item.editing .usage-label {
    font-weight: 600;
}

.usage-list-item.drop-before {
    box-shadow: 0 -2px 0 var(--color-accent-fg);
}

.usage-exporting .usage-drag-handle, .usage-exporting .usage-list-item button {
    visibility: hidden;
}

.usage-exporting .usage-list-item.editing .usage-label {
    font-weight: 400;
}

.usage-list-item.drop-after {
    box-shadow: 0 2px 0 var(--color-accent-fg);
}

@media (max-width: 640px) {
    .usage-controls {
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
    }

    .usage-buttons {
        width: 100%;
        flex-direction: column;
    }

    .usage-buttons button {
        width: 100%;
    }
}